103P

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2010-10-21 (JD 2455491.0)
Eccentricity (e)0.6950806879 ± 8.50e-07
Semi-major axis (a)3.4719838601 AU ± 1.01e-05
Inclination (i)13.61944472° ± 8.09e-06
Long. of Asc. Node (Ω)219.75855271° ± 1.72e-05
Arg. of Perihelion (ω)181.20579728° ± 2.65e-05
Mean Anomaly (M)358.96974617° ± 5.77e-06
Mean Motion (n)0.1523511475°/day ± 6.62e-07
Perihelion dist (q)1.05867493 AU ± 4.26e-06
Aphelion dist (Q)5.88529279 AU ± 1.73e-05
Orbital Period6.46943787 yr ± 2.81e-05
Physical Parameters
Diameter1.600 km
Rotation Period18.100 h
NGA Sets
NGA Modelg(r)
Set 1
Interval 1 2010-03-01 — 2010-09-01
A1-1.54957190e-08 AU/d² ± 1.66e-10
A24.13637886e-09 AU/d² ± 9.05e-11
A3-1.80570947e-09 AU/d² ± 1.45e-10
Set 2
Interval 1 2010-09-01 — 2010-10-28
A13.83863289e-09 AU/d² ± 1.55e-10
A2-4.38193650e-09 AU/d² ± 1.74e-10
A3-5.63848079e-10 AU/d² ± 1.28e-10
Set 3
Interval 1 2010-10-28 — 2011-01-01
A14.59554332e-09 AU/d² ± 2.37e-10
A25.74301617e-09 AU/d² ± 1.24e-10
A32.27234321e-09 AU/d² ± 1.04e-10
Set 4
Interval 1 2011-01-01 — 2011-06-01
A1-1.71641261e-08 AU/d² ± 1.49e-10
A2-7.23628355e-09 AU/d² ± 1.09e-10
A3-6.29889614e-10 AU/d² ± 8.91e-11
Set 5
Interval 1 1900-01-01 — 2100-01-01
S(R)-44.7 km ± 1.94e+01
S(T)258.1 km ± 2.51e+01
S(N)397.7 km ± 1.31e+01
Orbit Solution
SourceIAA
Solution Date2026-06-08
RMS Residual0.700″
Uncertainty0
Orbit TypeAmor
MOID0.065145 AU
Observations Used8892
Radar Obs Used6
Oppositions33
Arc Total1986-2025
First Observation Used1997-05-02
Last Observation Used2025-04-28
Observations (9766)
Date Type RA Dec Mag Band Observatory
2010-12-24 06:24:34 C 07 24 51.94 -17 58 56.7 I40
2010-12-24 06:25:44 C 07 24 51.87 -17 58 56.8 I40
2010-12-24 06:26:52 C 07 24 51.83 -17 58 56.4 I40
2010-12-24 06:28:04 C 07 24 51.79 -17 58 56.3 I40
2010-12-24 06:36:10 C 07 24 51.45 -17 58 54.2 I40
2010-12-24 06:37:19 C 07 24 51.40 -17 58 54.2 I40
2010-12-24 06:38:28 C 07 24 51.34 -17 58 53.9 I40
2010-12-24 06:39:38 C 07 24 51.31 -17 58 53.6 I40
2010-12-24 06:40:47 C 07 24 51.25 -17 58 53.3 I40
2010-12-24 06:41:56 C 07 24 51.22 -17 58 52.9 I40
2010-12-24 06:50:02 C 07 24 50.87 -17 58 51.1 I40
2010-12-24 06:51:11 C 07 24 50.82 -17 58 51.1 I40
2010-12-24 06:52:19 C 07 24 50.77 -17 58 50.7 I40
2010-12-24 06:53:29 C 07 24 50.72 -17 58 50.6 I40
2010-12-24 06:54:40 C 07 24 50.67 -17 58 50.4 I40
2010-12-24 06:55:49 C 07 24 50.62 -17 58 50.0 I40
2010-12-24 10:01:48 C 07 24 43.67 -17 58 28.3 r H10
2010-12-24 10:19:58 C 07 24 42.93 -17 58 24.9 r H10
2010-12-26 01:02:45 C 07 23 19.62 -17 48 54.7 c J01
2010-12-26 01:16:26 C 07 23 19.05 -17 48 51.1 c J01
2010-12-26 01:43:52 C 07 23 17.92 -17 48 43.5 c J01
2010-12-26 01:45:39 C 07 23 17.87 -17 48 42.9 w J38
2010-12-26 01:47:43 C 07 23 17.77 -17 48 42.6 w J38
2010-12-26 01:51:52 C 07 23 17.61 -17 48 41.8 w J38
2010-12-26 02:01:01 C 07 23 17.15 -17 48 39.1 u 958
2010-12-26 02:08:57 C 07 23 16.85 -17 48 37.0 u 958
2010-12-26 02:17:03 C 07 23 16.45 -17 48 34.5 u 958
2010-12-26 05:37:23 C 07 23 09.63 -17 47 17.9 I40
2010-12-26 05:38:31 C 07 23 09.58 -17 47 17.5 I40
2010-12-26 05:39:39 C 07 23 09.52 -17 47 17.2 I40
2010-12-26 05:40:48 C 07 23 09.49 -17 47 16.9 I40
2010-12-26 05:41:57 C 07 23 09.44 -17 47 16.4 I40
2010-12-26 05:43:05 C 07 23 09.38 -17 47 16.2 I40
2010-12-26 05:55:03 C 07 23 08.87 -17 47 13.0 I40
2010-12-26 05:56:12 C 07 23 08.83 -17 47 12.7 I40
2010-12-26 05:57:20 C 07 23 08.77 -17 47 12.5 I40
2010-12-26 05:58:29 C 07 23 08.74 -17 47 12.0 I40
2010-12-26 05:59:41 C 07 23 08.68 -17 47 11.6 I40
2010-12-26 06:00:49 C 07 23 08.63 -17 47 11.3 I40
2010-12-26 06:09:12 C 07 23 08.29 -17 47 09.1 I40
2010-12-26 06:10:21 C 07 23 08.24 -17 47 08.7 I40
2010-12-26 06:11:29 C 07 23 08.19 -17 47 08.3 I40
2010-12-26 06:12:38 C 07 23 08.14 -17 47 07.9 I40
2010-12-26 06:13:48 C 07 23 08.09 -17 47 07.6 I40
2010-12-26 06:14:56 C 07 23 08.05 -17 47 07.3 I40
2010-12-26 06:23:20 C 07 23 07.69 -17 47 04.9 I40
2010-12-26 06:24:29 C 07 23 07.65 -17 47 04.7 I40
2010-12-26 06:25:38 C 07 23 07.61 -17 47 04.4 I40
2010-12-26 06:26:47 C 07 23 07.54 -17 47 04.2 I40
2010-12-26 06:27:56 C 07 23 07.49 -17 47 03.9 I40
Radar Observations (6)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2010-10-24 07:50:00 -35963.2427 0.5 Hz 2380 -1 -1
2010-10-24 08:02:00 123053086.64 4 us 2380 -1 -1
2010-10-25 07:34:00 124535088.24 1.5 us 2380 -1 -1
2010-10-26 09:26:00 126533148.82 2 us 2380 -1 -1
2010-10-27 07:40:00 128543233.13 3 us 2380 -1 -1
2010-10-29 09:34:00 133954458.1 3 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)